5577
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 24
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 8784
- Proper Divisor Sum (Aliquot Sum)
- 3207
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 3120
- Möbius Function
- 0
- Radical
- 429
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 3
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 41
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Number of n-node connected graphs with at most one cycle.at n=12A005703
- Coordination sequence T4 for Zeolite Code NON.at n=45A008215
- Crystal ball sequence for D_6 lattice.at n=3A008358
- a(n) = n*(23*n + 1)/2.at n=22A022281
- a(1) = 7; a(n+1) = a(n)-th composite.at n=27A025011
- a(n) = dot_product(1,2,...,n)*(3,4,...,n,1,2).at n=23A026037
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 48.at n=31A031546
- "AFJ" (ordered, size, labeled) transform of 2,1,1,1,...at n=8A032001
- Divisors = 1 (mod 4) of Descartes's 198585576189.at n=43A033870
- Numerators of continued fraction convergents to sqrt(835).at n=7A042612
- Smallest multiple of n with no isolated digits.at n=38A052191
- Partial sums of A050494.at n=6A053367
- Expansion of (1+5*x)/(1-x)^10.at n=5A055848
- Numbers n such that n | 10^n + 9^n + 8^n + 7^n + 6^n + 5^n.at n=49A057259
- Numbers k such that k | 8^k + 7^k + 6^k + 5^k + 4^k + 3^k.at n=38A057261
- a(n) = Sum_{i|n,j|n} sigma(i)*sigma(j)/sigma(gcd(i,j)), where sigma(n) = sum of divisors of n.at n=47A062370
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 67 ).at n=30A063340
- Number of hexagonal regions in regular n-gon with all diagonals drawn.at n=33A067153
- Expansion of (1-x)^(-1)/(1-x^2+2*x^3).at n=24A077884
- Difference between A007678(2n)/(2n) and (n-1)^2.at n=27A085611